Nicolas Rogy is a PhD student of the Elsa team of INRAE. He is a process engineer, graduated from Polytechnique Montreal (Canada) and from Chimie ParisTech (France). His thesis topic consists in the development of methods to take into account environmental feedbacks (e.g. climate change, water resources depletion) on human activities, in the methodology of territorial LCA. The developments of the thesis are applied to irrigated perimeters.